<template>
  <div class="header-container">
    <div class="wrapper">
      <!-- logo -->
      <div class="left-wrapper v-link selected">
        <img style="width: 50px" width="50" height="50" src="~assets/images/logo.png">
        <span class="text">尚医通 预约挂号统一平台</span>
      </div>
      <!-- 搜索框 -->
      <div class="search-wrapper">
        <div class="hospital-search animation-show">
          <div id="search" style="display: block;">
            <el-autocomplete
              class="search-input"
              prefix-icon="el-icon-search"
              v-model="hosname"
              :fetch-suggestions="querySearchAsync"
              :trigger-on-focus="false"
              @select="handleSelect"
              placeholder="点击输入医院名称"
            >
              <span slot="suffix" class="search-btn v-link highlight clickable selected">搜索 </span>
            </el-autocomplete>
          </div>
        </div>
      </div>
      <!-- 右侧 -->
      <div class="right-wrapper">
        <span class="v-link clickable">帮助中心</span>

        <span v-if="name == ''" class="v-link clickable" @click="showLogin()" id="loginDialog">登录/注册</span>

        <el-dropdown v-if="name != ''" @command="loginMenu">
              <span class="el-dropdown-link">
                {{ name }}<i class="el-icon-arrow-down el-icon--right"></i>
              </span>
          <el-dropdown-menu class="user-name-wrapper" slot="dropdown">
            <el-dropdown-item command="/user">实名认证</el-dropdown-item>
            <el-dropdown-item command="/order">挂号订单</el-dropdown-item>
            <el-dropdown-item command="/patient">就诊人管理</el-dropdown-item>
            <el-dropdown-item command="/logout" divided>退出登录</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>
      </div>
    </div>

    <!-- 登录弹出层 -->
    <el-dialog :visible.sync="dialogUserFormVisible" style="text-align: left;" top="50px" :append-to-body="true"  width="960px" @close="closeDialog()">
      <div class="container">

        <!-- 手机登录 #start -->
        <div class="operate-view" v-if="dialogAttr.showLoginType === 'phone'">
          <div class="wrapper" style="width: 100%">
            <div class="mobile-wrapper" style="position: static;width: 70%">
              <span class="title">{{ dialogAttr.labelTips }}</span>
              <el-form>
                <el-form-item>
                  <el-input v-model="dialogAttr.inputValue" :placeholder="dialogAttr.placeholder" :maxlength="dialogAttr.maxlength" class="input v-input">
                    <span slot="suffix" class="sendText v-link" v-if="dialogAttr.second > 0">{{ dialogAttr.second }}s </span>
                    <span slot="suffix" class="sendText v-link highlight clickable selected" v-if="dialogAttr.second == 0" @click="getCodeFun()">重新发送 </span>
                  </el-input>
                </el-form-item>
              </el-form>
              <div class="send-button v-button" @click="btnClick()"> {{ dialogAttr.loginBtn }}</div>
            </div>
            <div class="bottom">
              <div class="wechat-wrapper" @click="weixinLogin()"><span
                class="iconfont icon"></span></div>
              <span class="third-text"> 第三方账号登录 </span></div>
          </div>
        </div>
        <!-- 手机登录 #end -->

        <!-- 微信登录 #start -->
        <div class="operate-view" v-if="dialogAttr.showLoginType === 'weixin'" >
          <div class="wrapper wechat" style="height: 400px">
            <div>
              <div id="weixinLogin"></div>
            </div>
            <div class="bottom wechat" style="margin-top: -80px;">
              <div class="phone-container">
                <div class="phone-wrapper"  @click="phoneLogin()"><span
                  class="iconfont icon"></span></div>
                <span class="third-text"> 手机短信验证码登录 </span></div>
            </div>
          </div>
        </div>
        <!-- 微信登录 #end -->

        <div class="info-wrapper">
          <div class="code-wrapper">
            <div><img src="//img.114yygh.com/static/web/code_login_wechat.png" class="code-img">
              <div class="code-text"><span class="iconfont icon"></span>微信扫一扫关注
              </div>
              <div class="code-text"> “快速预约挂号”</div>
            </div>
            <div class="wechat-code-wrapper"><img
              src="//img.114yygh.com/static/web/code_app.png"
              class="code-img">
              <div class="code-text"> 扫一扫下载</div>
              <div class="code-text"> “预约挂号”APP</div>
            </div>
          </div>
          <div class="slogan">
            <div>xxxxxx官方指定平台</div>
            <div>快速挂号 安全放心</div>
          </div>
        </div>
      </div>
    </el-dialog>
  </div>
</template>
<script>
  import cookie from 'js-cookie'
  import Vue from 'vue'

  import userInfoApi from '@/api/user/userInfo'
  import smsApi from '@/api/sms/sms'
  import hospitalApi from '@/api/hosp/hospital'
  import weixinApi from '@/api/user/weixin'

  const defaultDialogAttr = {
    showLoginType: 'phone', // 控制手机登录与微信登录切换

    labelTips: '手机号码', // 输入框提示

    inputValue: '', // 输入框绑定对象
    placeholder: '请输入您的手机号', // 输入框placeholder
    maxlength: 11, // 输入框长度控制

    loginBtn: '获取验证码', // 登录按钮或获取验证码按钮文本

    sending: true,      // 是否可以发送验证码
    second: -1,        // 倒计时间  second>0 : 显示倒计时 second=0 ：重新发送 second=-1 ：什么都不显示
    clearSmsTime: null  // 倒计时定时任务引用 关闭登录层清除定时任务
  }
  export default {
    data() {
      return {
        userInfo: {
          phone: '',
          code: '',
          openid: ''
        },
        hosname: '',
        dialogUserFormVisible: false,
        // 弹出层相关属性
        dialogAttr:defaultDialogAttr,

        name: '' // 用户登录显示的名称
      }
    },

    created() {
      this.showInfo()
    },

    mounted() {
      // 注册全局登录事件对象
      window.loginEvent = new Vue();
      // 监听登录事件
      loginEvent.$on('loginDialogEvent', function () {
        document.getElementById("loginDialog").click();
      })
      // 触发事件，显示登录层：loginEvent.$emit('loginDialogEvent')

      //初始化微信js
      const script = document.createElement('script')
      script.type = 'text/javascript'
      script.src = 'https://res.wx.qq.com/connect/zh_CN/htmledition/js/wxLogin.js'
      document.body.appendChild(script)

      // 微信登录回调处理
      let self = this;
      window["loginCallback"] = (name,token, openid) => {
        self.loginCallback(name, token, openid);
      }
    },

    methods: {
      loginCallback(name, token, openid) {
        // 打开手机登录层，绑定手机号，该逻辑与手机登录一致
        if(openid != '') {
          this.userInfo.openid = openid

          this.showLogin()
        } else {
          this.setCookies(name, token)
        }
      },

      // 绑定登录或获取验证码按钮
      btnClick() {
        // 判断是获取验证码还是登录
        if(this.dialogAttr.loginBtn == '获取验证码') {
          this.userInfo.phone = this.dialogAttr.inputValue

          // 获取验证码
          this.getCodeFun()
        } else {
          // 登录
          this.login()
        }
      },

      // 绑定登录，点击显示登录层
      showLogin() {
        this.dialogUserFormVisible = true

        // 初始化登录层相关参数
        this.dialogAttr = { ...defaultDialogAttr }
      },

      // 登录
      login() {
        debugger
        this.userInfo.code = this.dialogAttr.inputValue

        if(this.dialogAttr.loginBtn == '正在提交...') {
          this.$message.error('重复提交')
          return;
        }

        if (this.userInfo.code == '') {
          this.$message.error('验证码必须输入')
          return;
        }
        if (this.userInfo.code.length != 6) {
          this.$message.error('验证码格式不正确')
          return;
        }

        this.dialogAttr.loginBtn = '正在提交...'
        userInfoApi.login(this.userInfo).then(response => {
          console.log(response.data)
          // 登录成功 设置cookie
          this.setCookies(response.data.name, response.data.token)
        }).catch(e => {
          this.dialogAttr.loginBtn = '马上登录'
        })
      },

      setCookies(name, token) {
        cookie.set('token', token, { domain: 'localhost' })
        cookie.set('name', name, { domain: 'localhost' })
        window.location.reload()
      },

      // 获取验证码
      getCodeFun() {
        if (!(/^1[34578]\d{9}$/.test(this.userInfo.phone))) {
          this.$message.error('手机号码不正确')
          return;
        }

        // 初始化验证码相关属性
        this.dialogAttr.inputValue = ''
        this.dialogAttr.placeholder = '请输入验证码'
        this.dialogAttr.maxlength = 6
        this.dialogAttr.loginBtn = '马上登录'

        // 控制重复发送
        if (!this.dialogAttr.sending) return;

        // 发送短信验证码
        this.timeDown();
        this.dialogAttr.sending = false;
        smsApi.sendCode(this.userInfo.phone).then(response => {
          this.timeDown();
        }).catch(e => {
          this.$message.error('发送失败，重新发送')
          // 发送失败，回到重新获取验证码界面
          this.showLogin()
        })
      },

      // 倒计时
      timeDown() {
        if(this.clearSmsTime) {
          clearInterval(this.clearSmsTime);
        }
        this.dialogAttr.second = 60;

        this.dialogAttr.labelTips = '验证码已发送至' + this.userInfo.phone
        this.clearSmsTime = setInterval(() => {
          --this.dialogAttr.second;
          if (this.dialogAttr.second < 1) {
            clearInterval(this.clearSmsTime);
            this.dialogAttr.sending = true;
            this.dialogAttr.second = 0;
          }
        }, 1000);
      },

      // 关闭登录层
      closeDialog() {
        if(this.clearSmsTime) {
          clearInterval(this.clearSmsTime);
        }
      },

      showInfo() {
        let token = cookie.get('token')
        if (token) {
          this.name = cookie.get('name')
          console.log(this.name)
        }
      },

      loginMenu(command) {
        if('/logout' == command) {
          cookie.set('name', '', {domain: 'localhost'})
          cookie.set('token', '', {domain: 'localhost'})

          //跳转页面
          window.location.href = '/'
        } else {
          window.location.href = command
        }
      },

      // 搜索
      querySearchAsync(queryString, cb) {
        if(queryString == '') return
        hospitalApi.getByHosname(queryString).then(response => {
          for (let i = 0, len = response.data.length; i < len; i++) {
            response.data[i].value = response.data[i].hosname
          }
          cb(response.data)
        })
      },

      handleSelect(item) {
        window.location.href = '/hospital/' + item.hoscode
      },

      weixinLogin() {
        this.dialogAttr.showLoginType = 'weixin'

        weixinApi.getLoginParam().then(response => {
          var obj = new WxLogin({
            self_redirect:true,
            id: 'weixinLogin', // 需要显示的容器id
            appid: response.data.appid, // 公众号appid wx*******
            scope: response.data.scope, // 网页默认即可
            redirect_uri: response.data.redirect_uri, // 授权成功后回调的url
            state: response.data.state, // 可设置为简单的随机数加session用来校验
            style: 'black', // 提供"black"、"white"可选。二维码的样式
            href: '' // 外部css文件url，需要https
          })
        })
      },

      phoneLogin() {
        this.dialogAttr.showLoginType = 'phone'
        this.showLogin()
      }
    }
  }
</script>
